In late January, scientists at the World Organization for Animal Health (WOAH) reported the first cases of H5N9 avian ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

UC San Francisco's Rais Vohra, MD, explains recent increase in reported virus infections and the risks of consuming raw cow’s milk.

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry.

The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, the World ...

Two rare bird flu strains have emerged since late January, prompting public health concerns during a freeze on federal health communications.

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

The first confirmed case of H5N9 bird flu in the United States has been identified in Merced County, California, and control ...